It's 1986 in Sabula, Iowa, and it's senior year for JoAnn Sullivan and her best friend Shena. Comfortable with their place in the middle of the social hierarchy, below the likes of Garrett Malone and his Barbie doll girlfriend Andraya, they plan to be themselves and have the best year ever partying with their friends, and working at their jobs at the Lakeside cafe and the Hop N' Shop. But a back to school party at a dangerous swimming area called the "Y", and a run-in with Garrett Malone changes everything for Jo. Garrett has it all and seems to be untouchable until he crosses the line and makes one too many enemies.